Problem 14923 goproblems.com


Author	stoneater	Created	2011-06-18
Difficulty	11 kyu (history)	Source	KGS game
AVG solve time	62 sec	Stars	4.17 (18 votes)
User attempts	1467 / 3861	Collections	Cutting, Middle based, Oiotoshi
Genre	tesuji	Your attempts	N/A
Similar problems
Created	2011-06-18
Source	KGS game
Stars	4.17 (18 votes)
Collections	Cutting, Middle based, Oiotoshi
Your attempts	N/A

(;AW[rp]AW[qp]AW[pp]AW[pq]AB[nr]AB[mq]AB[np]AB[op]AW[lq]AW[lp]AW[jq]AW[jp]AW[no]AW[nn]AW[nm]AW[mm]AW[ml]AB[mk]AB[om]AB[on]AB[qo]AB[ro]AB[qn]AB[qm]AB[qj]AW[rl]AW[rm]AW[rn]AW[rj]AB[mo]AB[mn]AB[ln]AW[lo]AB[jn]AB[km]AB[jl]AW[jo]AW[mp]AB[pk]AW[rr]AW[qk]AB[nl]AB[nk]AB[lj]AB[jj]AW[kj]AB[kr]AW[kk]AB[ps]AB[ls]AB[jr]AB[iq]AB[hr]AB[qr]AW[rs]AW[sq]AW[so]AB[ir]TR[ml]TR[mm]TR[nm]TR[nn]TR[no]C[White to save the marked stones. No ko.]AW[ho]AW[hl]AW[hp]AB[im]AB[gi]AB[pl]AP[goproblems] (;W[oo];B[po] (;W[nq];B[oq] (;W[or];B[nq] (;W[ns];B[mr] (;W[lr]C[RIGHT]) (;W[ms];B[os]) (;W[os];B[ll];W[lr];B[lm])) (;W[mr];B[ns] (;W[os];B[pr] (;W[lr];B[ll]) (;W[ms];B[ll])) (;W[ms];B[lr] (;W[pr];B[ll]) (;W[os];B[ll]) (;W[lm];B[ll])) (;W[lr];B[ll]) (;W[pr];B[ll]) (;W[qs];B[ll]))) (;W[mr];B[ll] (;W[nq];B[lm]) (;W[or];B[lm]))) (;W[oq];B[nq] (;W[mr];B[ll]) (;W[or];B[ll]) (;W[ns];B[ll])) (;W[or];B[ll]) (;W[mr];B[ll]) (;W[ns];B[ll])) (;W[mr];B[oo]) (;W[nq];B[oo]) (;W[oq];B[oo]) (;W[po];B[oo]) (;W[lm];B[kn] (;W[lk];B[ll];W[kl];B[oo];W[ll];B[ki]) (;W[ll];B[lk] (;W[kl];B[ki] (;W[jk];B[ik] (;W[il];B[oo]) (;W[ij];B[oo]) (;W[ji];B[oo])) (;W[po];B[oo];W[jk];B[ik])) (;W[oo];B[po];W[kl];B[ki])) (;W[kl];B[lk] (;W[ll];B[ki] (;W[jk];B[ik] (;W[il];B[oo]) (;W[ij];B[oo]) (;W[ji];B[oo])) (;W[po];B[oo];W[jk];B[ik])) (;W[ki];B[ll])) (;W[jk];B[ll])) (;W[ll];B[lk] (;W[kl];B[ki] (;W[jk];B[ik] (;W[il];B[ij];W[jm]C[Good job, you had 2 good threats, but white can do better than ko.]AW[jm]LB[kn:A]LB[oo:B]) (;W[ij] (;B[ji];W[il];B[hk] (;W[jm]C[Good job, you had 4 good threats, but white can do better than ko.]LB[gk:A]LB[gj:B]LB[kn:C]LB[oo:D]) (;W[hj];B[gk];W[jm]C[Good job, you had 2 threats, but white can do better.]LB[kn:A]LB[oo:B])) (;B[il])) (;W[ji];B[ij];W[il];B[jm])) (;W[lm];B[kn] (;W[jk];B[ik] (;W[il];B[oo]) (;W[ij];B[oo]) (;W[ji];B[oo])) (;W[po];B[oo];W[jk];B[ik])) (;W[oo]C[RIGHT];B[po] (;W[nq];B[oq] (;W[or];B[nq] (;W[ns];B[mr];W[lr]C[RIGHT]) (;W[mr];B[ns] (;W[ms];B[lr] (;W[os];B[pr]) (;W[pr];B[jk];W[os];B[lm])) (;W[lr];B[jk] (;W[ms];B[lm]) (;W[os];B[pr];W[ms];B[lm]) (;W[pr];B[lm])) (;W[os];B[pr] (;W[ms];B[lr]) (;W[lr];B[jk];W[ms];B[lm])) (;W[pr];B[jk] (;W[ms];B[lr];W[os];B[lm]) (;W[os];B[lm])))) (;W[mr];B[jk] (;W[nq];B[lm]) (;W[or];B[lm]))) (;W[oq];B[nq] (;W[or];B[jk]) (;W[mr];B[jk]) (;W[ns];B[jk])) (;W[or];B[jk] (;W[oq];B[lm]) (;W[nq];B[lm])) (;W[mr];B[jk] (;W[nq];B[lm]) (;W[oq];B[lm]))) (;W[nq];B[oo]) (;W[oq];B[oo]) (;W[or];B[oo]) (;W[mr];B[oo])) (;W[lm];B[kn] (;W[kl];B[ki] (;W[jk];B[ik] (;W[il];B[oo]) (;W[ij];B[oo]) (;W[ji];B[oo])) (;W[po];B[oo];W[jk];B[ik])) (;W[oo];B[po];W[kl];B[ki])) (;W[oo];B[po] (;W[nq];B[oq] (;W[or];B[nq] (;W[ns];B[mr] (;W[lr]C[RIGHT]) (;W[ms];B[os])) (;W[mr];B[ns] (;W[ms];B[lr] (;W[ms];B[kl]) (;W[os];B[pr])) (;W[lr];B[kl] (;W[ms];B[lm]) (;W[os];B[lm])) (;W[os];B[pr] (;W[ms];B[lr]) (;W[lr];B[kl])) (;W[pr];B[kl];W[os];B[lm]))) (;W[mr];B[kl] (;W[or];B[lm]) (;W[nq];B[lm]))) (;W[mr];B[kl]) (;W[oq];B[nq] (;W[or];B[kl]) (;W[ns];B[kl]) (;W[mr];B[kl])) (;W[or];B[kl])) (;W[nq];B[oo]) (;W[oq];B[oo]) (;W[or];B[oo]) (;W[mr];B[oo])) (;W[lk];B[ll] (;W[lm];B[kn];W[kl];B[oo];W[ll];B[ki]) (;W[kl];B[lm];W[kn];B[oo])) (;W[kl];B[ll] (;W[lk];B[lm];W[kn];B[oo]) (;W[lm];B[kn];W[lk];B[oo];W[ll];B[ki])) (;W[or];B[oo]) (;W[ms];B[oo]))